UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011912.upa.cvt Date: 1200Z 19 JAN 26 Searching for U0046... Searching the city database file for: U0046 ... Date:1200Z 19 JAN 26 Station: U0046 WMO ident: 20046 Latitude: 80.62 Longitude: 58.05 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1011 23 -5.1 -7.2 85 2.1 -5.8 180 13 267.2 267.6 266.8 273.1 2.20 1 1010 31 -5.1 -7.2 85 2.1 -5.8 182 13 267.3 267.6 266.8 273.2 2.20 2 1000 109 -4.7 -7.9 78 3.2 -5.7 205 15 268.5 268.8 267.5 274.2 2.10 3 925 720 -6.9 -8.8 86 1.9 -7.5 220 15 272.3 272.6 270.0 278.1 2.12 4 863 1260 -8.1 -9.5 90 1.4 -8.5 232 18 276.5 276.8 272.6 282.5 2.15 5 850 1378 -8.5 -9.9 90 1.4 -8.9 235 19 277.2 277.6 273.0 283.2 2.12 6 700 2854 -18.9 -22.3 74 3.4 -19.6 230 25 281.6 281.7 273.6 284.3 0.91 7 688 2982 -19.7 -22.6 78 2.9 -20.2 230 25 282.1 282.2 273.9 284.8 0.90 8 579 4233 -30.1 -33.0 76 2.9 -30.4 233 24 284.2 284.2 274.3 285.5 0.41 9 505 5191 -36.5 -39.5 74 3.0 -36.7 235 23 287.7 287.8 275.9 288.5 0.25 10 500 5260 -36.7 -39.7 74 3.0 -36.9 235 23 288.3 288.3 276.2 289.1 0.24 11 416 6517 -44.7 -47.9 70 3.2 -44.8 251 16 293.6 293.6 278.6 294.0 0.12 12 400 6780 -46.1 -49.5 68 3.4 -46.2 255 15 295.1 295.1 279.3 295.4 0.10 13 396 6847 -46.3 -49.8 67 3.5 -46.4 259 17 295.7 295.7 279.6 296.0 0.10 14 313 8395 -51.1 -57.1 49 6.0 -51.2 349 52 309.5 309.6 285.2 309.8 0.05 15 300 8670 -52.5 -59.5 43 7.0 -52.7 5 58 311.3 311.4 285.9 311.5 0.04 16 296 8757 -52.8 -59.9 42 7.1 -52.9 10 60 312.1 312.1 286.1 312.3 0.04 17 256 9689 -55.9 -63.9 36 8.0 -56.0 6 53 320.8 320.8 289.0 320.9 0.03 18 250 9840 -56.3 -64.3 36 8.0 -56.4 5 52 322.4 322.4 289.5 322.5 0.03 19 207 11025 -61.1 -70.1 29 9.0 -61.2 5 44 332.7 332.7 292.4 332.8 0.01 20 205 11086 -60.1 -69.1 30 9.0 -60.2 5 41 335.2 335.2 293.2 335.3 0.02 21 200 11240 -60.1 -69.1 30 9.0 -60.2 5 35 337.6 337.6 293.7 337.7 0.02 22 150 13020 -62.5 -72.5 25 10.0 -62.6 5 25 362.4 362.4 299.2 362.5 0.01 23 100 15500 -65.5 -75.5 24 10.0 -65.6 55 9 401.2 401.2 305.4 401.2 0.01 24 72 17473 -70.3 -80.3 22 10.0 -70.4 73 13 430.5 430.5 308.9 430.6 0.01 25 70 17640 -71.5 -81.5 21 10.0 -71.6 75 13 431.4 431.4 309.0 431.5 0.01 26 50 19620 -73.7 -83.7 20 10.0 -73.7 120 25 469.8 469.8 312.6 469.9 0.01 27 49 19738 -74.3 -84.3 20 10.0 -74.4 471.1 471.1 312.7 471.2 0.01 TRP 207 11025 -61.1 -70.1 29 9.0 -61.2 5 44 332.7 332.7 292.4 332.8 0.01 WND 296 8757 -52.8 -59.9 42 7.1 -52.9 10 60 312.1 312.1 286.1 312.3 0.04 Sounding variables and indices 1000-500 mb thick: 5151.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 79.82 % Est. max temperature: 4.29 C = 39.73 F Sfc-Lift cond lev (LCL): 977.84 mb = 284.63 m = 933.83 ft T: -5.33 C 700-500 lapse rate: 7.40 C/km ThetaE index: 0.00 C Layer 1011.0- 1.0 mb Conv cond level (CCL): 821.29 mb = 1639.22 m = 5377.95 ft Mean mixing ratio: 2.12 g/kg Conv temperature: 5.75 C = 42.36 F Cap Strength: 9.77 C Lifted Index: 10.21 C Risk: None Lifted Index @300 mb: 24.88 C Lifted Index @700 mb: 6.63 C Showalter Index: 4.71 C Risk: None Total Totals Index: 55.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 28.20 C Cross Totals Index: 26.80 C K Index: 14.90 Risk: None Sweat Index: 181.00 Risk: None Energy Index: 1.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.46 J/kg Max Up Vert Vel: 4.57 m/s Conv Inhibition (B-): 30166.76 J/kg Cap Strength: 9.97 C Lift Cond Lev (LCL): 922.61 mb = 740.15 m = 2428.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 261 at 16 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1011 23 180 13 0.0 13.0 | 124 19 -15.9 10.6 1 1000 109 205 15 6.3 13.6 | 140 15 -9.5 11.2 2 925 720 220 15 9.6 11.5 | 146 11 -6.2 9.1 3 850 1378 235 19 15.6 10.9 | 178 8 -0.3 8.5 4 700 2854 230 25 19.2 16.1 | 194 14 3.3 13.6 5 500 5260 235 23 18.8 13.2 | 195 11 3.0 10.8 6 400 6780 255 15 14.5 3.9 | 137 2 -1.4 1.5 7 300 8670 5 58 -5.1 -57.8 | 19 64 -20.9 -60.2 8 296 8757 10 60 -10.4 -59.1 | 23 67 -26.3 -61.5 9 250 9840 5 52 -4.5 -51.8 | 21 58 -20.4 -54.2 10 207 11025 5 44 -3.8 -43.8 | 23 50 -19.7 -46.3 11 200 11240 5 35 -3.1 -34.9 | 27 42 -18.9 -37.3 12 150 13020 5 25 -2.2 -24.9 | 33 33 -18.0 -27.3 13 100 15500 55 9 -7.4 -5.2 | 72 24 -23.2 -7.6 14 70 17640 75 13 -12.6 -3.4 | 78 29 -28.4 -5.8 15 50 19620 120 25 -21.7 12.5 | 105 39 -37.5 10.1 Wind Parameters Mean winds (0-6000m): 231.3 at 21.4 knts Storm direction: 261.3 at 16.0 knts Shear (0-3000m) pos: 2.7 neg: 0.9 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 70.0 deg Storm rel helicity (0-3000m) pos: 46.9 neg: 0.0 tot: 46.9 m^2/s^2 ave: 15.6 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.81 Bulk Shear: 12.89 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 207 15 140 14| 8.9 0.0 8.9| 23.6 0.0 23.6 47.3 0.62| 9.3 5.8 1000 215 15 144 12| 6.4 0.0 6.4| 31.2 0.0 31.2 31.2 0.64| 6.7 4.3 1500 221 16 152 11| 5.5 0.0 5.5| 39.5 0.0 39.5 26.3 0.70| 5.8 4.1 2000 225 17 160 10| 4.1 0.5 4.7| 42.5 0.0 42.5 21.2 0.69| 4.9 3.3 2500 227 18 166 10| 3.3 0.9 4.2| 45.2 0.0 45.2 18.1 0.66| 4.3 2.9 3000 228 19 172 11| 2.7 0.9 3.7| 46.9 0.0 46.9 15.6 0.64| 3.9 2.5 4000 229 21 178 11| 2.1 0.7 2.8| 47.6 0.0 47.6 11.9 0.61| 3.1 1.9 5000 230 21 182 11| 1.7 0.6 2.2| 48.1 0.0 48.1 9.6 0.59| 2.6 1.5 6000 231 21 184 11| 1.5 0.5 1.9| 48.5 -0.5 48.0 8.0 0.47| 2.6 1.2 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20260119.12.gif